Home / 1,149,604.90-1,586,455.19-666,450.12

Finding the Fourth Proportional to 1,149,604.90, 1,586,455.19 and 666,450.12

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Solution

The fourth proportional to 1,149,604.90, 1,586,455.19 and 666,450.12 is: 919,701.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,604.90 : 1,586,455.19 = 666,450.12 : x
  2. Step 2: Convert to fraction form
    1,149,604.90/1,586,455.19 = 666,450.12/x
  3. Step 3: Cross multiply
    1,149,604.90x = 1,586,455.19 × 666,450.12
  4. Step 4: Simplify right side
    1,149,604.90x = 1,057,293,251,750.12
  5. Step 5: Solve for x
    x = 1,057,293,251,750.12/1,149,604.90
  6. Step 6: Final answer
    x = 919,701.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.